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<div class="subTitle"><span class="packageLabelInType">Package</span>&nbsp;<a href="package-summary.html">org.springframework.security.authentication</a></div>
<h2 title="Class AbstractAuthenticationToken" class="title">Class AbstractAuthenticationToken</h2>
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<ul class="inheritance">
<li>java.lang.Object</li>
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<ul class="inheritance">
<li>org.springframework.security.authentication.AbstractAuthenticationToken</li>
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<dt>All Implemented Interfaces:</dt>
<dd><code>java.io.Serializable</code>, <code>java.security.Principal</code>, <code><a href="../core/Authentication.html" title="interface in org.springframework.security.core">Authentication</a></code>, <code><a href="../core/CredentialsContainer.html" title="interface in org.springframework.security.core">CredentialsContainer</a></code></dd>
</dl>
<dl>
<dt>Direct Known Subclasses:</dt>
<dd><code><a href="../oauth2/server/resource/authentication/AbstractOAuth2TokenAuthenticationToken.html" title="class in org.springframework.security.oauth2.server.resource.authentication">AbstractOAuth2TokenAuthenticationToken</a></code>, <code><a href="AnonymousAuthenticationToken.html" title="class in org.springframework.security.authentication">AnonymousAuthenticationToken</a></code>, <code><a href="../oauth2/server/resource/BearerTokenAuthenticationToken.html" title="class in org.springframework.security.oauth2.server.resource">BearerTokenAuthenticationToken</a></code>, <code><a href="../cas/authentication/CasAssertionAuthenticationToken.html" title="class in org.springframework.security.cas.authentication">CasAssertionAuthenticationToken</a></code>, <code><a href="../cas/authentication/CasAuthenticationToken.html" title="class in org.springframework.security.cas.authentication">CasAuthenticationToken</a></code>, <code><a href="../oauth2/client/authentication/OAuth2AuthenticationToken.html" title="class in org.springframework.security.oauth2.client.authentication">OAuth2AuthenticationToken</a></code>, <code><a href="../oauth2/client/authentication/OAuth2AuthorizationCodeAuthenticationToken.html" title="class in org.springframework.security.oauth2.client.authentication">OAuth2AuthorizationCodeAuthenticationToken</a></code>, <code><a href="../oauth2/client/authentication/OAuth2LoginAuthenticationToken.html" title="class in org.springframework.security.oauth2.client.authentication">OAuth2LoginAuthenticationToken</a></code>, <code><a href="../openid/OpenIDAuthenticationToken.html" title="class in org.springframework.security.openid">OpenIDAuthenticationToken</a></code>, <code><a href="../web/authentication/preauth/PreAuthenticatedAuthenticationToken.html" title="class in org.springframework.security.web.authentication.preauth">PreAuthenticatedAuthenticationToken</a></code>, <code><a href="RememberMeAuthenticationToken.html" title="class in org.springframework.security.authentication">RememberMeAuthenticationToken</a></code>, <code><a href="../access/intercept/RunAsUserToken.html" title="class in org.springframework.security.access.intercept">RunAsUserToken</a></code>, <code><a href="../saml2/provider/service/authentication/Saml2Authentication.html" title="class in org.springframework.security.saml2.provider.service.authentication">Saml2Authentication</a></code>, <code><a href="../saml2/provider/service/authentication/Saml2AuthenticationToken.html" title="class in org.springframework.security.saml2.provider.service.authentication">Saml2AuthenticationToken</a></code>, <code><a href="TestingAuthenticationToken.html" title="class in org.springframework.security.authentication">TestingAuthenticationToken</a></code>, <code><a href="UsernamePasswordAuthenticationToken.html" title="class in org.springframework.security.authentication">UsernamePasswordAuthenticationToken</a></code></dd>
</dl>
<hr>
<pre>public abstract class <span class="typeNameLabel">AbstractAuthenticationToken</span>
extends java.lang.Object
implements <a href="../core/Authentication.html" title="interface in org.springframework.security.core">Authentication</a>, <a href="../core/CredentialsContainer.html" title="interface in org.springframework.security.core">CredentialsContainer</a></pre>
<div class="block">Base class for <code>Authentication</code> objects.
<p>
Implementations which use this class should be immutable.</div>
<dl>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../serialized-form.html#org.springframework.security.authentication.AbstractAuthenticationToken">Serialized Form</a></dd>
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<tr>
<th class="colFirst" scope="col">Constructor</th>
<th class="colLast" scope="col">Description</th>
</tr>
<tr class="altColor">
<th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="AbstractAuthenticationToken.html#%3Cinit%3E(java.util.Collection)">AbstractAuthenticationToken</a></span>&#8203;(java.util.Collection&lt;? extends <a href="../core/GrantedAuthority.html" title="interface in org.springframework.security.core">GrantedAuthority</a>&gt;&nbsp;authorities)</code></th>
<td class="colLast">
<div class="block">Creates a token with the supplied array of authorities.</div>
</td>
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<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colSecond" scope="col">Method</th>
<th class="colLast" scope="col">Description</th>
</tr>
<tr id="i0" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="AbstractAuthenticationToken.html#equals(java.lang.Object)">equals</a></span>&#8203;(java.lang.Object&nbsp;obj)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="AbstractAuthenticationToken.html#eraseCredentials()">eraseCredentials</a></span>()</code></th>
<td class="colLast">
<div class="block">Checks the <code>credentials</code>, <code>principal</code> and <code>details</code> objects,
invoking the <code>eraseCredentials</code> method on any which implement
<a href="../core/CredentialsContainer.html" title="interface in org.springframework.security.core"><code>CredentialsContainer</code></a>.</div>
</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code>java.util.Collection&lt;<a href="../core/GrantedAuthority.html" title="interface in org.springframework.security.core">GrantedAuthority</a>&gt;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="AbstractAuthenticationToken.html#getAuthorities()">getAuthorities</a></span>()</code></th>
<td class="colLast">
<div class="block">Set by an <code>AuthenticationManager</code> to indicate the authorities that the
principal has been granted.</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>java.lang.Object</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="AbstractAuthenticationToken.html#getDetails()">getDetails</a></span>()</code></th>
<td class="colLast">
<div class="block">Stores additional details about the authentication request.</div>
</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>java.lang.String</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="AbstractAuthenticationToken.html#getName()">getName</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="AbstractAuthenticationToken.html#hashCode()">hashCode</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="AbstractAuthenticationToken.html#isAuthenticated()">isAuthenticated</a></span>()</code></th>
<td class="colLast">
<div class="block">Used to indicate to <code>AbstractSecurityInterceptor</code> whether it should present
the authentication token to the <code>AuthenticationManager</code>.</div>
</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="AbstractAuthenticationToken.html#setAuthenticated(boolean)">setAuthenticated</a></span>&#8203;(boolean&nbsp;authenticated)</code></th>
<td class="colLast">
<div class="block">See <a href="../core/Authentication.html#isAuthenticated()"><code>Authentication.isAuthenticated()</code></a> for a full description.</div>
</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="AbstractAuthenticationToken.html#setDetails(java.lang.Object)">setDetails</a></span>&#8203;(java.lang.Object&nbsp;details)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code>java.lang.String</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="AbstractAuthenticationToken.html#toString()">toString</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
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<h3>Methods inherited from class&nbsp;java.lang.Object</h3>
<code>clone, finalize, getClass, notify, notifyAll, wait, wait, wait</code></li>
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<h3>Methods inherited from interface&nbsp;org.springframework.security.core.<a href="../core/Authentication.html" title="interface in org.springframework.security.core">Authentication</a></h3>
<code><a href="../core/Authentication.html#getCredentials()">getCredentials</a>, <a href="../core/Authentication.html#getPrincipal()">getPrincipal</a></code></li>
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<h3>Methods inherited from interface&nbsp;java.security.Principal</h3>
<code>implies</code></li>
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<h4>AbstractAuthenticationToken</h4>
<pre>public&nbsp;AbstractAuthenticationToken&#8203;(java.util.Collection&lt;? extends <a href="../core/GrantedAuthority.html" title="interface in org.springframework.security.core">GrantedAuthority</a>&gt;&nbsp;authorities)</pre>
<div class="block">Creates a token with the supplied array of authorities.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>authorities</code> - the collection of <tt>GrantedAuthority</tt>s for the principal
represented by this authentication object.</dd>
</dl>
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<h4>getAuthorities</h4>
<pre class="methodSignature">public&nbsp;java.util.Collection&lt;<a href="../core/GrantedAuthority.html" title="interface in org.springframework.security.core">GrantedAuthority</a>&gt;&nbsp;getAuthorities()</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../core/Authentication.html#getAuthorities()">Authentication</a></code></span></div>
<div class="block">Set by an <code>AuthenticationManager</code> to indicate the authorities that the
principal has been granted. Note that classes should not rely on this value as
being valid unless it has been set by a trusted <code>AuthenticationManager</code>.
<p>
Implementations should ensure that modifications to the returned collection array
do not affect the state of the Authentication object, or use an unmodifiable
instance.
</p></div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../core/Authentication.html#getAuthorities()">getAuthorities</a></code>&nbsp;in interface&nbsp;<code><a href="../core/Authentication.html" title="interface in org.springframework.security.core">Authentication</a></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the authorities granted to the principal, or an empty collection if the
token has not been authenticated. Never null.</dd>
</dl>
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<a id="getName()">

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<h4>getName</h4>
<pre class="methodSignature">public&nbsp;java.lang.String&nbsp;getName()</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code>getName</code>&nbsp;in interface&nbsp;<code>java.security.Principal</code></dd>
</dl>
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<a id="isAuthenticated()">

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<h4>isAuthenticated</h4>
<pre class="methodSignature">public&nbsp;boolean&nbsp;isAuthenticated()</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../core/Authentication.html#isAuthenticated()">Authentication</a></code></span></div>
<div class="block">Used to indicate to <code>AbstractSecurityInterceptor</code> whether it should present
the authentication token to the <code>AuthenticationManager</code>. Typically an
<code>AuthenticationManager</code> (or, more often, one of its
<code>AuthenticationProvider</code>s) will return an immutable authentication token
after successful authentication, in which case that token can safely return
<code>true</code> to this method. Returning <code>true</code> will improve
performance, as calling the <code>AuthenticationManager</code> for every request
will no longer be necessary.
<p>
For security reasons, implementations of this interface should be very careful
about returning <code>true</code> from this method unless they are either
immutable, or have some way of ensuring the properties have not been changed since
original creation.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../core/Authentication.html#isAuthenticated()">isAuthenticated</a></code>&nbsp;in interface&nbsp;<code><a href="../core/Authentication.html" title="interface in org.springframework.security.core">Authentication</a></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>true if the token has been authenticated and the
<code>AbstractSecurityInterceptor</code> does not need to present the token to the
<code>AuthenticationManager</code> again for re-authentication.</dd>
</dl>
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<h4>setAuthenticated</h4>
<pre class="methodSignature">public&nbsp;void&nbsp;setAuthenticated&#8203;(boolean&nbsp;authenticated)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../core/Authentication.html#setAuthenticated(boolean)">Authentication</a></code></span></div>
<div class="block">See <a href="../core/Authentication.html#isAuthenticated()"><code>Authentication.isAuthenticated()</code></a> for a full description.
<p>
Implementations should <b>always</b> allow this method to be called with a
<code>false</code> parameter, as this is used by various classes to specify the
authentication token should not be trusted. If an implementation wishes to reject
an invocation with a <code>true</code> parameter (which would indicate the
authentication token is trusted - a potential security risk) the implementation
should throw an <code>IllegalArgumentException</code>.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../core/Authentication.html#setAuthenticated(boolean)">setAuthenticated</a></code>&nbsp;in interface&nbsp;<code><a href="../core/Authentication.html" title="interface in org.springframework.security.core">Authentication</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>authenticated</code> - <code>true</code> if the token should be trusted (which may
result in an exception) or <code>false</code> if the token should not be trusted</dd>
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<h4>getDetails</h4>
<pre class="methodSignature">public&nbsp;java.lang.Object&nbsp;getDetails()</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../core/Authentication.html#getDetails()">Authentication</a></code></span></div>
<div class="block">Stores additional details about the authentication request. These might be an IP
address, certificate serial number etc.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../core/Authentication.html#getDetails()">getDetails</a></code>&nbsp;in interface&nbsp;<code><a href="../core/Authentication.html" title="interface in org.springframework.security.core">Authentication</a></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>additional details about the authentication request, or <code>null</code>
if not used</dd>
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<h4>setDetails</h4>
<pre class="methodSignature">public&nbsp;void&nbsp;setDetails&#8203;(java.lang.Object&nbsp;details)</pre>
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<h4>eraseCredentials</h4>
<pre class="methodSignature">public&nbsp;void&nbsp;eraseCredentials()</pre>
<div class="block">Checks the <code>credentials</code>, <code>principal</code> and <code>details</code> objects,
invoking the <code>eraseCredentials</code> method on any which implement
<a href="../core/CredentialsContainer.html" title="interface in org.springframework.security.core"><code>CredentialsContainer</code></a>.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../core/CredentialsContainer.html#eraseCredentials()">eraseCredentials</a></code>&nbsp;in interface&nbsp;<code><a href="../core/CredentialsContainer.html" title="interface in org.springframework.security.core">CredentialsContainer</a></code></dd>
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<h4>equals</h4>
<pre class="methodSignature">public&nbsp;boolean&nbsp;equals&#8203;(java.lang.Object&nbsp;obj)</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code>equals</code>&nbsp;in interface&nbsp;<code>java.security.Principal</code></dd>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code>equals</code>&nbsp;in class&nbsp;<code>java.lang.Object</code></dd>
</dl>
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<pre class="methodSignature">public&nbsp;int&nbsp;hashCode()</pre>
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<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code>hashCode</code>&nbsp;in interface&nbsp;<code>java.security.Principal</code></dd>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code>hashCode</code>&nbsp;in class&nbsp;<code>java.lang.Object</code></dd>
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<h4>toString</h4>
<pre class="methodSignature">public&nbsp;java.lang.String&nbsp;toString()</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code>toString</code>&nbsp;in interface&nbsp;<code>java.security.Principal</code></dd>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code>toString</code>&nbsp;in class&nbsp;<code>java.lang.Object</code></dd>
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